采用溶胶-凝胶法,以三甲基氯硅烷、氢氟硅酸和水为先驱体,在玻璃基片上用提拉法制备出一种含有-CF3强疏水性基团的氟硅烷薄膜。 3. Using piperidine-4-carboxylic acid and ethanol as raw material, 4-ethyl formate piperidine was synthesized through esterification reaction with thionyl chloride and trimethylchl...
Knoevenagel condensation of ethyl cyanoacetate with aldehyde is reported. Microwave enhanced Knoevenegal condensation reaction of ethyl cyanoacetate with an aldehyde, P2O5, piperidine and chlorobenzene is reported. Chemical PropertiesEthyl cyanoacetate is a colorless to straw colored liquid with a mild pleas...
(111) is treated with bromine at 0-30 deg.C in an inert apolar solvent pref chlorinated hydrocarbon to 1-(benzyl-oxy-carbonyl)-trans-3, 4-di:bromo-3-ethyl-piperidine (IV). (IV) is dehydro-brominated with a conventional reagent pref 1,4-di:aza-bi:cyclo-(2,2,2)-octane in dipolar...
2-Difluoromethyl-1H-benzoimidazole-->Piperidine, 1-(difluoroacetyl)- (7CI,8CI,9CI)-->2-Difluoromethyl-6-hydroxy-3H-pyrimidin-4-one-->Cyclohexanone, 2-(difluoroacetyl)- (9CI)-->4,4-difluoro-1-(3-fluoro-4-methoxyphenyl)butane-1,3-dioneTag...
a 5-HT2A receptor antagonist such as R(+)-alpha-(2,3-dimethoxy-phenyl)-1-[2-(4-fluorophenylethyl)]-4-piperidinemethanol (MDL-100907); a cholinergic (nicotinic) analgesic, such as ispronicline (TC-1734), (E)-N-methyl-4-(3-pyridinyl)-3-buten-1-amine (RJR-2403), (R)-5-(2-aze...
If R1 denotes NR6R7-substituted C1-C6-alkyl, -alkenyl or -alkynyl, R6 and R7 independently of one another are preferably hydrogen or C1-C4-alkyl or R6 and R7 together with the nitrogen atom to which they are attached form a morpholine, piperidine, piperazine or pyrrolidine ring. If R1 ...
synthesized using the Knoevenagel condensation of (N,N-diphenylamino)benzaldehyde (101) with 3,5-dicyano-2,4,6-tristyrylpyridine (102) using piperidine inn-propanol (Scheme 32).73Further Knoevenagel condensation of the product with aromaticdialdehydesusing piperidine in DMF affords conjugated ...
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Piperidine, 1-(3,4-dihydro-3-methyl-2H-pyran-2-yl)-3280-36-2 Propanoic acid, 3-[(4-nitrophenyl)amino]-3-oxo-, methyl ester328011-26-3 Phenol, 2-(4-thia-1,2-diazaspiro[4.7]dodec-2-en-3-yl)-328013-15-6 Pentanedioic acid,2-propyl-32806-62-5 ...
The reactions of in-situ generated PhS−, PyS− and PhSe− with 4-(2-chloroethyl)morpholine hydrochloride and 1-(2-chloroethyl)piperidine hydrochloride in N2 atmosphere have resulted in N-{2-(arylchalcogeno)ethyl}morpholine/piperidine ligands (L1−L6), which on reaction with Na2PdCl4 at...